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moles of Ca(NO3)2 = massmolar mass= 3.50164.088 = 0.02133 molm.pdf

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vichu19891

moles of Ca(NO3)2 = mass/molar mass = 3.50/164.088 = 0.02133 mol moles of ions = 3 x 0.2133 = 0.06399 molality of ions = moles of ions/kg of water = 0.06399/0.0265 = 2.415 mol/kg Tf(water) -Tf(solution) = Kf x molality 0 - Tf(solution) = 1.86 x 2.415 Tf(solution) = -4.49 deg C Solution moles of Ca(NO3)2 = mass/molar mass = 3.50/164.088 = 0.02133 mol moles of ions = 3 x 0.2133 = 0.06399 molality of ions = moles of ions/kg of water = 0.06399/0.0265 = 2.415 mol/kg Tf(water) -Tf(solution) = Kf x molality 0 - Tf(solution) = 1.86 x 2.415 Tf(solution) = -4.49 deg C.

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moles of Ca(NO3)2 = mass/molar mass = 3.50/164.088 = 0.02133 mol moles of ions = 3 x 0.2133 = 0.06399 molality of ions = moles of ions/kg of water = 0.06399/0.0265 = 2.415 mol/kg Tf(water) -Tf(solution) = Kf x molality 0 - Tf(solution) = 1.86 x 2.415 Tf(solution) = -4.49 deg C Solution moles of Ca(NO3)2 = mass/molar mass = 3.50/164.088 = 0.02133 mol moles of ions = 3 x 0.2133 = 0.06399 molality of ions = moles of ions/kg of water = 0.06399/0.0265 = 2.415 mol/kg Tf(water) -Tf(solution) = Kf x molality 0 - Tf(solution) = 1.86 x 2.415 Tf(solution) = -4.49 deg C

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moles of Ca(NO3)2 = massmolar mass= 3.50164.088 = 0.02133 molm.pdf

  • 1. moles of Ca(NO3)2 = mass/molar mass = 3.50/164.088 = 0.02133 mol moles of ions = 3 x 0.2133 = 0.06399 molality of ions = moles of ions/kg of water = 0.06399/0.0265 = 2.415 mol/kg Tf(water) -Tf(solution) = Kf x molality 0 - Tf(solution) = 1.86 x 2.415 Tf(solution) = -4.49 deg C Solution moles of Ca(NO3)2 = mass/molar mass = 3.50/164.088 = 0.02133 mol moles of ions = 3 x 0.2133 = 0.06399 molality of ions = moles of ions/kg of water = 0.06399/0.0265 = 2.415 mol/kg Tf(water) -Tf(solution) = Kf x molality 0 - Tf(solution) = 1.86 x 2.415 Tf(solution) = -4.49 deg C